Health and Me

Ishita Roy

Sudden Cardiac Death Risk Far Higher in People With Diabetes, Reveals New Study

A new study in the European Heart Journal has shed light on a worrying trend. People living with Type 1 and <span>Type 2 <a href="https://www.healthandme.com/health/diabetes">diabetes</a></span> face a much higher risk of sudden cardiac death, and this risk contributes to a significant loss of life expectancy. The findings also suggest that the true burden of sudden cardiac death in the <span><a href="https://www.healthandme.com/health/diabetes">diabetes</a></span> population has been underestimated until now.

<h2>A Higher and Earlier Risk Than the General Population</h2>

Sudden cardiac death refers to an unexpected loss of heart function, often triggered by a sudden electrical disturbance in the heart. While many people assume this happens mainly to those with known heart problems, earlier research has shown that a large number of cases occur in individuals without diagnosed cardiac disease. This means vulnerable groups like people with diabetes may slip through the cracks of current prevention strategies.

Also Read: <a href="https://www.healthandme.com/health-wellness/is-there-a-link-between-your-kidney-health-and-other-chronic-diseases-lancet-study-says-yes-article-153256860" data-type="tilCustomLink">Is There A Link Between Your Kidney Health And Other Chronic Diseases? Lancet Study Says Yes</a>

People with diabetes already face a shorter lifespan compared to the general population. On average, a 30-year-old with <span>Type 1 diabetes</span> loses about 14.2 years of life, while someone with Type 2 diabetes loses around 7.9 years. A major share of this reduction is linked to cardiovascular disease, and the latest study estimates that sudden cardiac death alone accounts for 3.4 years lost in Type 1 diabetes and 2.7 years in Type 2 diabetes.

To better understand the scale of the problem, researchers examined a nationwide cohort that included every person living in Denmark throughout 2010. For those who died during that year, detailed information was collected from medical records, autopsy findings when available, and death certificates. Two physicians independently reviewed every potential sudden death to ensure accuracy.

The dataset included more than 5.5 million people. During the year, 54,028 deaths occurred, and more than 14 percent were sudden deaths. People with diabetes made up a significant portion of these cases. There were 25,020 individuals with Type 1 diabetes and 172,669 with Type 2 diabetes, with 97 and 1,149 sudden cardiac deaths recorded in each group.

People with diabetes who experienced sudden cardiac death tended to be younger and more often male compared with people without diabetes. They also carried a heavier burden of other medical conditions, including ischemic heart disease, heart failure, arrhythmias, kidney disease, and even mental health issues. A notable proportion of these patients had also been hospitalized for diabetes-related complications such as hypoglycemia, which researchers believe could play a role in triggering sudden cardiac events.

The incidence of sudden cardiac death in the general population was 105 per 100,000 person years. In contrast, it climbed to 394 for people with Type 1 diabetes and 681 for those with Type 2 diabetes. The relative risk was especially striking among younger adults. For example, people between 30 and 40 with Type 1 diabetes had more than twenty times the risk compared to those without diabetes.

<h2>A Clear Need for Better Prevention</h2>

The research team used multiple statistical models to adjust for factors like age and existing disease, and diabetes consistently emerged as an independent risk factor. The findings confirm that sudden cardiac death is responsible for a meaningful portion of life years lost in people with diabetes. They also point to a need for better screening, earlier management of cardiovascular risks, and more focused research into why this group is so vulnerable.

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A new study in the European Heart Journal has shed light on a worrying trend. People living with Type 1 and Type 2 diabetes face a much higher risk of sudden cardiac death, and this risk contributes to a significant loss of life expectancy. The findings also suggest that the true burden of sudden cardiac death in the diabetes population has been underestimated until now.A Higher and Earlier Risk Than the General PopulationSudden cardiac death refers to an unexpected loss of heart function, often triggered by a sudden electrical disturbance in the heart. While many people assume this happens mainly to those with known heart problems, earlier research has shown that a large number of cases occur in individuals without diagnosed cardiac disease. This means vulnerable groups like people with diabetes may slip through the cracks of current prevention strategies.Also Read: Is There A Link Between Your Kidney Health And Other Chronic Diseases? Lancet Study Says YesPeople with diabetes already face a shorter lifespan compared to the general population. On average, a 30-year-old with Type 1 diabetes loses about 14.2 years of life, while someone with Type 2 diabetes loses around 7.9 years. A major share of this reduction is linked to cardiovascular disease, and the latest study estimates that sudden cardiac death alone accounts for 3.4 years lost in Type 1 diabetes and 2.7 years in Type 2 diabetes.What the Danish Study RevealedTo better understand the scale of the problem, researchers examined a nationwide cohort that included every person living in Denmark throughout 2010. For those who died during that year, detailed information was collected from medical records, autopsy findings when available, and death certificates. Two physicians independently reviewed every potential sudden death to ensure accuracy.The dataset included more than 5.5 million people. During the year, 54,028 deaths occurred, and more than 14 percent were sudden deaths. People with diabetes made up a significant portion of these cases. There were 25,020 individuals with Type 1 diabetes and 172,669 with Type 2 diabetes, with 97 and 1,149 sudden cardiac deaths recorded in each group.People with diabetes who experienced sudden cardiac death tended to be younger and more often male compared with people without diabetes. They also carried a heavier burden of other medical conditions, including ischemic heart disease, heart failure, arrhythmias, kidney disease, and even mental health issues. A notable proportion of these patients had also been hospitalized for diabetes-related complications such as hypoglycemia, which researchers believe could play a role in triggering sudden cardiac events.Numbers That Highlight the GapThe incidence of sudden cardiac death in the general population was 105 per 100,000 person years. In contrast, it climbed to 394 for people with Type 1 diabetes and 681 for those with Type 2 diabetes. The relative risk was especially striking among younger adults. For example, people between 30 and 40 with Type 1 diabetes had more than twenty times the risk compared to those without diabetes.A Clear Need for Better PreventionThe research team used multiple statistical models to adjust for factors like age and existing disease, and diabetes consistently emerged as an independent risk factor. The findings confirm that sudden cardiac death is responsible for a meaningful portion of life years lost in people with diabetes. They also point to a need for better screening, earlier management of cardiovascular risks, and more focused research into why this group is so vulnerable.